Abstract
The electron ionization mass spectra of substituted (β-hydroxy)sulfides, -sulfones, and their corresponding acetates of the 1,3-dioxepane series have been studied. The main regularities in the pathways of fragmentation of their molecular ions have been revealed. It has been shown that during electron ionization, the main directions of decomposition of the considered compounds are due to the elimination of substituents in the 1,3-dioxepane ring. In the case of 6-phenylthio-1,3-dioxepanes and 6-phenylsulfonyl-1,3-dioxepanes, the formation of ions associated with the breaking of C–S bonds with charge localization on the sulfur-containing fragment has been observed.
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This study was performed in the scope of the Program for Strategic Academic Leadership of Kazan Federal University (PRIORITET-2030) using the equipment of the Distributed Collective Spectro-Analytical Center for Study of Structure, Composition, and Properties of Substances and Materials of Federal Research Center “Kazan Scientific Center of RAS.”
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Shamsutdinova, L.R., Musin, R.Z., Paveliev, R.S. et al. Mass-Spectrometric Study of Substituted (β-Hydroxy-, β-Acetoxy)sulfides and -Sulfones of 1,3-Dioxepane Series Using Electron Ionization. Russ J Gen Chem 93, 807–814 (2023). https://doi.org/10.1134/S1070363223040060
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DOI: https://doi.org/10.1134/S1070363223040060